San Luis Obispo, CA
San Luis Obispo County in California has 12 FEMA disaster declarations on record covering 1967–2023, most recently Severe Winter Storms, Flooding, Landslides, and Mudslides on Mar 10, 2023 (DR-3592). Its flood risk grade is A (Low risk), ranking #716 of 3,277 U.S. counties, with 18 NFIP flood insurance claims totaling $747,666 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in San Luis Obispo County
The 12 most recent federally declared disasters affecting San Luis Obispo County, CA (1967–2023). Total declarations on record: 12.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Mar 10, 2023 | Flood | Severe Winter Storms, Flooding, Landslides, and Mudslides | DR-3592 |
| Jan 14, 2023 | Flood | Severe Winter Storms, Flooding, Landslides, and Mudslides | DR-4683 |
| Jan 9, 2023 | Flood | Severe Winter Storms, Flooding, and Mudslides | DR-3591 |
| Apr 1, 2017 | Flood | Severe Winter Storms, Flooding, and Mudslides | DR-4308 |
| Mar 16, 2017 | Flood | Severe Winter Storms, Flooding, and Mudslides | DR-4305 |
| Jan 26, 2011 | Flood | Severe Winter Storms, Flooding, and Debris and MUD Flows | DR-1952 |
| Sep 13, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3248 |
| Feb 9, 1983 | Coastal Storm | Coastal Storms, Floods, Slides & Tornadoes | DR-677 |
| Feb 15, 1978 | Flood | Coastal Storms, Mudslides & Flooding | DR-547 |
| Feb 8, 1973 | Flood | Severe Storms, High Tides & Flooding | DR-364 |
| Jan 26, 1969 | Flood | Severe Storms & Flooding | DR-253 |
| Jan 2, 1967 | Flood | Severe Storms & Flooding | DR-223 |
Score Breakdown
The composite score of 14 is calculated from four weighted factors. See our methodology for details.
Other Counties in California
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| San Bernardino | A | 14 | 20 | 15 |
| Humboldt | A | 15 | 3 | 14 |
| Mendocino | A | 15 | 1 | 13 |
| Riverside | A | 15 | 22 | 16 |
| Ventura | A | 15 | 26 | 12 |
| Del Norte | A | 13 | 0 | 10 |
More Counties in California
Frequently Asked Questions
How many FEMA disaster declarations does San Luis Obispo County, CA have?
San Luis Obispo County, CA has 12 federal disaster declarations on FEMA record (1967–2023). The 5 most recent are: Severe Winter Storms, Flooding, Landslides, and Mudslides (declared Mar 10, 2023, DR-3592); Severe Winter Storms, Flooding, Landslides, and Mudslides (declared Jan 14, 2023, DR-4683); Severe Winter Storms, Flooding, and Mudslides (declared Jan 9, 2023, DR-3591); Severe Winter Storms, Flooding, and Mudslides (declared Apr 1, 2017, DR-4308); Severe Winter Storms, Flooding, and Mudslides (declared Mar 16, 2017, DR-4305). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for San Luis Obispo County, CA?
San Luis Obispo County is graded A (composite score 14/100, low risk). It ranks #716 of 3,277 U.S. counties for flood risk in our scoring model. The grade combines NFIP claims density (40%), disaster frequency (25%), claim severity (20%), and year-over-year trend (15%).
How many NFIP flood insurance claims have been filed in San Luis Obispo County?
18 NFIP flood insurance claims have been filed in San Luis Obispo County, CA, totaling $747,666 in payouts. The average claim is $41,537. Source: FEMA FimaNfipClaims v2 dataset.
Has San Luis Obispo County, CA had any recent flood disasters?
Yes. The most recent FEMA declaration affecting San Luis Obispo County was Severe Winter Storms, Flooding, Landslides, and Mudslides on Mar 10, 2023 (DR-3592). The county has 12 declared disasters in the OpenFEMA record covering 1967–2023.
The this entity record above pulls directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. What follows is the per-entity context — how this entity sits in the broader U.S. flood risk, NFIP claims, and disaster declarations distribution and which underlying factors drive the headline numbers.
Every number on this page links back to FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. ZIPs, counties, and states. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: FEMA OpenFEMA datasets, 2026.